Exercise 9 Flashcards
Madre de Cacao or (____________)
is a ______ ________ , ______ tree known for its ___________ and_______ property also used as ______ for cattle and has _________ uses too, that is why various experimentations were made and for ___________ analysis.
Gliricidia sepium
- small thornless, semi-deciduous
- known for its rodenticide and mosquito repellent property
- fodder for cattle and has medicinal uses
- experiment were made and for phytochemical analysis
Secondary metabolites like __________ (7) are moderately present in stem, leaves, and roots of the plant.
anthraquinone
alkaloids
phenol
saponin
tannins
polyoses
polyuronoids flavanols
The toxicity of some plants are due to the ____________ that it contain.
allelochemicals
Thre presence of allelochemicals like ______(4) may inhibit the germinatiton and seedling vigor of plants.
tannins, wax, flavonoids, and phenolic acids
__________ may occur when one plant species fail to germinate, grows more slowly, shows symptom of damage, or does not survive in the presence of another plant species. It can result from ______ and ______.
Interference
competition and allelopathy
________ can simply be understood as the ability of plants to inhibit or stimulate growth of other plants in the environment by exuding chemicals.
allelopathy
Decline in crop yield in copping and agroforestry system in recent years has been attributed to _____________.
allelopathic effects
Allelopathic substances are most commonly found in plant _____________ and in plant ____________ of soil, some are found in live plant __________ and as _________ liberated from leaves and rhizome.
plant extracts and plant residues;
live plant exudates
volatile gas
Exercise 9 will be carried out to evaluate the effects of the ____________ on the germination of selected plants specifically, to determine whether G. sepium has an allelopathic potential against selected plants.
crude leaf extract
